[Amps] Audio/RF compression

[Joe]

How about
"Voice Shaper"
https://youtu.be/VpiIqWhXbqk

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 1/11/2017 9:54 AM, Jim Thomson wrote:
> Date: Tue, 10 Jan 2017 14:41:29 -0900
> From: Christopher Brown <cbrown at woods.net>
> To: amps at contesting.com
> Subject: Re: [Amps] Audio/RF compression
>
> Given that most radios don't have all of this built in, or at least a
> poor version the critical question in my mind is...
>
> Is there a good single box to do this on and is there anything available
> that is 12VDC nominal powered?
>
> I happen to like and use older Icoms rigs for 2M and up.
>
> But, I absolute _hate_ the APC/ALC setup on these things and how it
> functions as a cheap compressor (nasty overshoot and similar issues).
>
>
> To me it seems like a box with...
>
> Input gain dial
>
> Output driven dial settable AGC/limiter with fast attack 1 second hold
> and slow decay.
>
> 0-10db soft-knee compressor with dialable level and threshold.
>
> would be very useful...
>
> Set AGC/Limiter to backoff just before APC/ALC circuit kicks in the radio
>
> Dial up 6db compression
>
> Twiddle input gain and compression thresh for best balance.
>
> Better yet if it is a single brick that can run off of DC, I do have AC
> powered AMPs in the shack, as well as computer and batt bank charger but
> all basic functions are DC only and can run for many hours on air or
> days monitoring without firing up the generator.
>
> As tempting as cleaning things up on the 271, 471 and 1271 is, I have
> not been able to bring myself to allowing AC powered gear being required
> just to transmit.
>
> Chris
> WL7CLA
>
> ###  http://www.w2ihy.com/8-band-audio-equalizer.html   runs on 7-14 vdc  at 100 ma
> Plug and play.   5 v phantom power, works with Y-I-K  with just the flip of a switch.
>
> ###http://www.w2ihy.com/equalizers/eqplus-audio-equalzer.html   runs on 7-14 vdc ar 100 ma.
> Also plug and play.  compressor – limiter- downward expander,   5 v phantom power, limiter etc.
>
> ##  used RL Drake  SP-75.... which I think also runs on 12 vdc.   Contains gain controls, noise gate,
> superb RF clipper, and filter, both filters done at 455 khz.
>
> ####  http://www.aphex.com/products/channel    This is Aphexs latest version of their infamous 230
> voice processor.  Contains mic pre-amp, compressor, gate,  de-esser, big bottom processor,  parametric EQ
> for the midrange, and aural exciter to enhance the top end.   phantom power, for mics requiring phantom power,
> and also send + receive insert jacks.... to add anything external, like EQ etc.   This unit takes the best of all their
> various products over the years into one single strip.   Also contains phase reversal, spectral phase refactor..aka
> all pass filter.   Basically  does the same as an entire rack of gear.
>
> Jim  VE7RF
>
>
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